Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
key prerequisite for
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "key prerequisite for" is correct and usable in written English.
It can be used to indicate an essential requirement or condition that must be met for something to occur or be achieved. Example: "A strong foundation in mathematics is a key prerequisite for success in engineering courses."
✓ Grammatically correct
Science
News & Media
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
55 human-written examples
A key prerequisite for peace is the right of return for Palestinian refugees to the homes their families left behind in 1948.
News & Media
A referendum on the new constitution has long been a key prerequisite for staging a vote, although full details of the compromise are yet to be made public.
News & Media
"That is the key prerequisite for a rerating of the sector across the board as funding remains the key risk factor," Mr. Vega said.
News & Media
The accompanying water--a key prerequisite for life--supports that picture.
Science & Research
We strongly believe that open access is a key prerequisite for reproducible simulation studies.
Resistin impairs intracellular actin polymerization, a key prerequisite for many neutrophil functions [30, 31].
Human-verified similar examples from authoritative sources
Similar Expressions
5 human-written examples
Reliable energy supplies, efficient communication systems, accessible health care and successful transport are key prerequisites for any country that wants to leave "least developed" status.
News & Media
The real-time precise satellite clock product is one of key prerequisites for real-time Precise Point Positioning (PPP).
Science
Fundamental understandings of how energy is consumed, monitored, and controlled are key prerequisites for an energy conservation process.
Science
An appropriate control configuration selection is identified as one of the key prerequisites for attaining the control objectives in industrial practices.
Science
Gas tightness and associated mechanical integrity of the sealants are therefore key prerequisites for reliable operation over the lifetime of the stack.
Expert writing Tips
Best practice
When using "key prerequisite for", ensure the context clearly establishes the outcome or goal that the prerequisite enables. This clarifies the importance and relevance of the condition being discussed.
Common error
Avoid using "key prerequisite for" when the condition is self-evident. Instead, reserve the phrase for less obvious but crucial requirements to maintain impact and credibility.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "key prerequisite for" functions as a modifier highlighting the essential nature of a condition or requirement. Examples from Ludwig show its usage in diverse contexts, reinforcing its role in identifying crucial elements.
Frequent in
Science
79%
News & Media
13%
Formal & Business
5%
Less common in
Wiki
0%
Reference
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, "key prerequisite for" is a grammatically correct and widely used phrase, particularly in scientific and news contexts, to emphasize the essential nature of a condition or requirement. Ludwig AI confirms its validity and provides numerous examples showcasing its use across various authoritative sources. When writing, ensure the context clearly defines the outcome dependent on the prerequisite, and avoid using the phrase for self-evident conditions. Consider alternatives like "essential condition for" or "fundamental requirement for" to vary your language.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
essential condition for
This alternative emphasizes the necessity of a condition, similar to "key prerequisite for", but uses simpler language.
fundamental requirement for
This phrase highlights the basic and essential nature of the requirement, akin to "key prerequisite for".
vital necessity for
This alternative stresses the importance and indispensability of the requirement.
critical need for
This option emphasizes the urgency and importance of the requirement.
indispensable element for
This phrase underscores that the element is absolutely necessary and cannot be done without.
basic necessity for
This alternative highlights the foundational and essential nature of the requirement.
cornerstone of
This metaphor indicates that something is a fundamental and essential part of a larger structure or process.
essential ingredient for
This option suggests that something is a crucial component needed for a successful outcome.
prime condition for
This highlights the most important condition among many.
major requirement for
This option uses simple language to express a fundamental need.
FAQs
How can I use "key prerequisite for" in a sentence?
Use "key prerequisite for" to highlight an essential condition needed before something else can occur. For example, "A strong understanding of mathematics is a key prerequisite for success in engineering".
What is a good alternative to "key prerequisite for"?
Alternatives include "essential condition for", "fundamental requirement for", or "vital necessity for", depending on the specific nuance you wish to convey.
Is it redundant to say "essential key prerequisite for"?
Yes, "essential key prerequisite for" is redundant. The word "prerequisite" already implies something necessary, and "key" further emphasizes its importance. Using "essential" in addition is unnecessary and weakens the phrase. Just use "key prerequisite for".
What is the difference between "key prerequisite for" and "important factor for"?
"Key prerequisite for" implies a necessary condition that must be met, while "important factor for" suggests something that contributes to, but isn't necessarily essential for, achieving a goal. A "key prerequisite for" is non-negotiable; an "important factor for" is influential.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested